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Glycobiology

The case of the missing base

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Post-translational modification of proteins by N-acetylglucosamine (O-GlcNAc) is carried out by a single glycosyltransferase, OGT. Two independent groups have generated structures of ternary complexes that elegantly illuminate substrate and product binding modes, and thus the overall reaction coordinate, but the respective authors differ in their choice of catalytic base.

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Figure 1: Two proposed mechanisms for O-GlcNAc transfer by OGT.

Change history

  • 13 November 2012

    In the version of this article initially published online, the wrong article was listed as reference 4. The error has been corrected for the PDF and HTML versions of this article.

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Correspondence to Stephen G Withers or Gideon J Davies.

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Withers, S., Davies, G. The case of the missing base. Nat Chem Biol 8, 952–953 (2012). https://doi.org/10.1038/nchembio.1117

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